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Management and Monitoring

2-14 Planning and Managing Your Wireless Network

previous30days,week,orday.YoucandisplayandprintthechartsfromRASM,aswellas

generateareport.

Client Monitoring

Clientmonitoringprovidescurrentandhistoricalinformationabouttheclientsusingyour

network,includingclientactivity, watchlistclients,currentclientsessions,andtheabilitytolocate

clientsatyoursite.RASMdisplaysthedatathatRoamAboutswitchescollectonusersessions—

eitherforasingleuser,usersassociatedwithan

accesspoint,usersassociatedwithaspecific

radio,orusersaddedtoawatchlist.

Byviewingmonitoringinformationforauseroragroupofusers,youcantroubleshootproblems

originatingfrombandwidthconstraintsorroamingpatterns.Youcancollectstatisticsandview

reportsaboutthefollowing:

•Clientassociations,authentication,

andauthorizationfa ilures

•Clientactivity,suchasroamingandsuccessfulauthorization

• Currentsessionstatus,locationhistory,andstatistics

• Specificsonusersoveraperiodoftime;informationcanbegatheredupto30daysforsession

status,locationhistory,clienterrors,andclientactivityonusersyouplaceonthewatchlist

youuseRASMRFPlanning,youalsocandisplaytheapproximategeographiclocationsof

clients.

Fault Management

TheFaultManagementSystemisafeatureincludedinRASMtomakeiteasiertomanagefaults

(alarms)thatoccurinthenetwork.Afaultoralarm(thesetwotermsareusedinterchangeably)is

generatedbyatrap,arule,astatus,orathreshold‐exceededevent.TheFaultManagementSystem



monitorstrapsfromEnterasysandOEMdevices.

TheFaultManagementSystemalsomonitorscertaintrapsforthird‐partyapplications,andoffers

administratorstheabilitytoaddnewtrapsupportwhennecessary.ThetypeoftrapandIPsource

determinehownewtrapsupportshouldcorrelatewithexistingtrapsupport.

RASMincorporates

apowerfulandflexibledisplayinterfaceforallalarmscollectedbythe

system.Alarmsarestoredonaper‐RoamAboutSwitchbasisandare collectedcontinuously.

Createcustomfilterstodrilldowntospecificinformationintheeventlogdatabase.Youcanfilter

alarmsbasedonthefollowing:

• Category

• Severity

• Dateandtime

ranges

•RoamAboutswitch

•RASMclientandserviceslog

•Specifictextstringmatches

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